Stair climbing collapsible cart



FIG. 1 is a perspective view of a stair climbing collapsible cart showing my new design in an open condition;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a rear plan view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view thereof showing my new design with the sidewalls folded inwardly; and,

FIG. 9 is a perspective view thereof showing my new design in a collapsed position.

The broken lines in the figures show portions of the stair climbing collapsible cart which form no part of the claimed design. 

CLAIM The ornamental design for a stair climbing collapsible cart, as shown and described. 